Table 5.

Studies included in the longitudinal group meta-analysis.

Source, year	No. of participants	1-Tailed P value	P value after study exclusion
Grabe et al., 2009	3045	0.005	9.0 × 10−7
Holman et al., 2011	711	0.005	2.0 × 10−5
Mercer et al., 2012	1045	0.003	9.0 × 10−5
Wald et al., 2013	1085	0.003	4.0 × 10−5
Telch et al., 2015	133	0.012	3.0 × 10−6
Total:	6019
Average sample size:	1204	2.0 × 10 −6